greek capital letter rho, U+03A1
there is no Sigmaf, and no U+03A2 character either

Σ

&Sigma;

Σ

greek capital letter sigma, U+03A3 ISOgrk3

Τ

&Tau;

Τ

greek capital letter tau, U+03A4

Υ

&Upsilon;

Υ

greek capital letter upsilon, U+03A5 ISOgrk3

Φ

&Phi;

Φ

greek capital letter phi, U+03A6 ISOgrk3

Χ

&Chi;

Χ

greek capital letter chi, U+03A7

Ψ

&Psi;

Ψ

greek capital letter psi, U+03A8 ISOgrk3

Ω

&Omega;

Ω

greek capital letter omega, U+03A9 ISOgrk3

α

&alpha;

α

greek small letter alpha, U+03B1 ISOgrk3

β

&beta;

β

greek small letter beta, U+03B2 ISOgrk3

γ

&gamma;

γ

greek small letter gamma, U+03B3 ISOgrk3

δ

&delta;

δ

greek small letter delta, U+03B4 ISOgrk3

ε

&epsilon;

ε

greek small letter epsilon, U+03B5 ISOgrk3

ζ

&zeta;

ζ

greek small letter zeta, U+03B6 ISOgrk3

η

&eta;

η

greek small letter eta, U+03B7 ISOgrk3

θ

&theta;

θ

greek small letter theta, U+03B8 ISOgrk3

ι

&iota;

ι

greek small letter iota, U+03B9 ISOgrk3

κ

&kappa;

κ

greek small letter kappa, U+03BA ISOgrk3

λ

&lambda;

λ

greek small letter lambda, U+03BB ISOgrk3

μ

&mu;

μ

greek small letter mu, U+03BC ISOgrk3

ν

&nu;

ν

greek small letter nu, U+03BD ISOgrk3

ξ

&xi;

ξ

greek small letter xi, U+03BE ISOgrk3

ο

&omicron;

ο

greek small letter omicron, U+03BF NEW

π

&pi;

π

greek small letter pi, U+03C0 ISOgrk3

ρ

&rho;

ρ

greek small letter rho, U+03C1 ISOgrk3

ς

&sigmaf;

ς

greek small letter final sigma, U+03C2 ISOgrk3

σ

&sigma;

σ

greek small letter sigma, U+03C3 ISOgrk3

τ

&tau;

τ

greek small letter tau, U+03C4 ISOgrk3

υ

&upsilon;

υ

greek small letter upsilon, U+03C5 ISOgrk3

φ

&phi;

φ

greek small letter phi, U+03C6 ISOgrk3

χ

&chi;

χ

greek small letter chi, U+03C7 ISOgrk3

ψ

&psi;

ψ

greek small letter psi, U+03C8 ISOgrk3

ω

&omega;

ω

greek small letter omega, U+03C9 ISOgrk3

ϑ

&thetasym;

ϑ

greek small letter theta symbol, U+03D1 NEW

ϒ

&upsih;

ϒ

greek upsilon with hook symbol, U+03D2 NEW

ϖ

&piv;

ϖ

greek pi symbol, U+03D6 ISOgrk3

General Punctuation

•

&bull;

•

bullet = black small circle, U+2022 ISOpub
bullet is NOT the same as bullet operator, U+2219

…

&hellip;

…

horizontal ellipsis = three dot leader, U+2026 ISOpub

′

&prime;

′

prime = minutes = feet, U+2032 ISOtech

″

&Prime;

″

double prime = seconds = inches, U+2033 ISOtech

‾

&oline;

‾

overline = spacing overscore, U+203E NEW

⁄

&frasl;

⁄

fraction slash, U+2044 NEW

Letterlike Symbols

℘

&weierp;

℘

script capital P = power set = Weierstrass p, U+2118 ISOamso

ℑ

&image;

ℑ

blackletter capital I = imaginary part, U+2111 ISOamso

ℜ

&real;

ℜ

blackletter capital R = real part symbol, U+211C ISOamso

™

&trade;

™

trade mark sign, U+2122 ISOnum

ℵ

&alefsym;

ℵ

alef symbol = first transfinite cardinal, U+2135 NEW
alef symbol is NOT the same as hebrew letter alef, U+05D0 although the same glyph could be used to depict both characters

Arrows

←

&larr;

←

leftwards arrow, U+2190 ISOnum

↑

&uarr;

↑

upwards arrow, U+2191 ISOnum

→

&rarr;

→

rightwards arrow, U+2192 ISOnum

↓

&darr;

↓

downwards arrow, U+2193 ISOnum

↔

&harr;

↔

left right arrow, U+2194 ISOamsa

↵

&crarr;

↵

downwards arrow with corner leftwards = carriage return, U+21B5 NEW

⇐

&lArr;

⇐

leftwards double arrow, U+21D0 ISOtech
ISO 10646 does not say that lArr is the same as the ‘is implied by’ arrow but also does not have any other character for that function. So ? lArr can be used for ‘is implied by’ as ISOtech suggests

⇑

&uArr;

⇑

upwards double arrow, U+21D1 ISOamsa

⇒

&rArr;

⇒

rightwards double arrow, U+21D2 ISOtech
ISO 10646 does not say this is the ‘implies’ character but does not have another character with this function so ? rArr can be used for ‘implies’ as ISOtech suggests

⇓

&dArr;

⇓

downwards double arrow, U+21D3 ISOamsa

⇔

&hArr;

⇔

left right double arrow, U+21D4 ISOamsa

Mathematical Operators

∀

&forall;

∀

for all, U+2200 ISOtech

∂

&part;

∂

partial differential, U+2202 ISOtech

∃

&exist;

∃

there exists, U+2203 ISOtech

∅

&empty;

∅

empty set = null set = diameter, U+2205 ISOamso

∇

&nabla;

∇

nabla = backward difference, U+2207 ISOtech

∈

&isin;

∈

element of, U+2208 ISOtech

∉

&notin;

∉

not an element of, U+2209 ISOtech

∋

&ni;

∋

contains as member, U+220B ISOtech
should there be a more memorable name than ‘ni’?

∏

&prod;

∏

n-ary product = product sign, U+220F ISOamsb
prod is NOT the same character as U+03A0 ‘greek capital letter pi’ though the same glyph might be used for both

∑

&sum;

∑

n-ary sumation, U+2211 ISOamsb
sum is NOT the same character as U+03A3 ‘greek capital letter sigma’ though the same glyph might be used for both

−

&minus;

−

minus sign, U+2212 ISOtech

∗

&lowast;

∗

asterisk operator, U+2217 ISOtech

√

&radic;

√

square root = radical sign, U+221A ISOtech

∝

&prop;

∝

proportional to, U+221D ISOtech

∞

&infin;

∞

infinity, U+221E ISOtech

∠

&ang;

∠

angle, U+2220 ISOamso

∧

&and;

∧

logical and = wedge, U+2227 ISOtech

∨

&or;

∨

logical or = vee, U+2228 ISOtech

∩

&cap;

∩

intersection = cap, U+2229 ISOtech

∪

&cup;

∪

union = cup, U+222A ISOtech

∫

&int;

∫

integral, U+222B ISOtech

∴

&there4;

∴

therefore, U+2234 ISOtech

∼

&sim;

∼

tilde operator = varies with = similar to, U+223C ISOtech
tilde operator is NOT the same character as the tilde, U+007E, although the same glyph might be used to represent both

≅

&cong;

≅

approximately equal to, U+2245 ISOtech

≈

&asymp;

≈

almost equal to = asymptotic to, U+2248 ISOamsr

≠

&ne;

≠

not equal to, U+2260 ISOtech

≡

&equiv;

≡

identical to, U+2261 ISOtech

≤

&le;

≤

less-than or equal to, U+2264 ISOtech

≥

&ge;

≥

greater-than or equal to, U+2265 ISOtech

⊂

&sub;

⊂

subset of, U+2282 ISOtech

⊃

&sup;

⊃

superset of, U+2283 ISOtech
note that nsup, ‘not a superset of, U+2283′ is not covered by the Symbol font encoding and is not included. Should it be, for symmetry? It is in ISOamsn

⊄

&nsub;

⊄

not a subset of, U+2284 ISOamsn

⊆

&sube;

⊆

subset of or equal to, U+2286 ISOtech

⊇

&supe;

⊇

superset of or equal to, U+2287 ISOtech

⊕

&oplus;

⊕

circled plus = direct sum, U+2295 ISOamsb

⊗

&otimes;

⊗

circled times = vector product, U+2297 ISOamsb

⊥

&perp;

⊥

up tack = orthogonal to = perpendicular, U+22A5 ISOtech

⋅

&sdot;

⋅

dot operator, U+22C5 ISOamsb
dot operator is NOT the same character as U+00B7 middle dot